tuit: tui'tion, instruction; intui'tion, the act or power of the mind by which it at once perceives the truth of a thing without argument; intu'itive.
tut: tu'tor; tuto'rial; tu'torage.
207. UN'DA, a wave.
und: abun'dance, literally, condition of overflowing—(abunda're, to overflow); abun'dant; superabundant; inun'date (-ion); redun'dant (literally, running back or over: hence, exceeding what is necessary); redundance; redun'dancy.
Un'dulate (Lat. n. un'dula, a little wave); undula'tion; un'dulatory; abound'; superabound'; redound' (Old Fr. v. redonder = Lat. redunda're, to roll back as a wave or flood).
208. U'TI: u'tor, u'sus, to use.
ut: uten'sil (Lat. n. uten'sile, something that may be used); util'ity (Lat. n. util'itas, usefulness); u'tilize.
us: use (-able, -age, -ful, -less); us'ual (Lat. adj. usua'lis, of frequent use); u'sury, illegal interest paid for the use of money; u'surer; abuse' (-ive); disabuse'.
209. VAD'ERE: va'do, va'sum, to go.
vad: evade'; invade'; pervade'.